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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Connecticut CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Connecticut CDL Manual. Take this practice test now to prepare for the actual CT CDL combination test!
1.
If your ABS is not working:
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you should immediately bring your vehicle to a complete stop.
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it will slow your truck to a halt and force you to pull over.
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the drive wheels will begin to spin, and you should take your foot off the accelerator.
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you still have normal brake functions, and should drive and brake as you always have.
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2.
After a tire has been changed, the driver should stop a short while later to:
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check tread separation.
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decrease tire pressure.
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deflate the tire to 10 psi.
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check the tightness of the nuts.
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3.
When driving in very hot weather, the heat will increase the chances of:
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ABS malfunction.
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suspension system defects.
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tire failure.
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loss of hydraulic pressure.
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4.
Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
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greater; more
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less; more
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less; less
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greater; less
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5.
Broken suspension parts can be very dangerous. When inspecting your vehicle for suspension system defects, look for:
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Spring hangers that allow movement of axle from proper position.
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Broken leaves in a multi-leaf spring.
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Damaged air suspension systems.
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All of the above.
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6.
ABS helps you:
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stop much faster.
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avoid wheel lock up and maintain control of your vehicle when you brake.
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steer gently and smoothly while you are braking.
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increase your normal braking capability.
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7.
When inspecting the coupling, make sure ________ between the upper and the lower fifth-wheel.
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there are at least 36 inches
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there is no space
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there is at least 1 foot
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there are 10 feet
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8.
To prevent rollover, you should:
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keep the cargo as close to the ground as possible.
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drive slowly around on ramps and off ramps.
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go slowly around turns.
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All of the above.
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9.
When connecting the glad hands, you should press the two seals together with the couplers at a ______ angle to each other.
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180 degree
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45 degree
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30 degree
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90 degree
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10.
To prevent a rollover, the driver should:
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drive on the shoulder if possible.
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drive slowly around corners, on ramps, and off ramps.
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pay extra attention to the coolant level.
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make quick lane changes if possible.
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